CAT 2018 Probability Question (Medium)

Question

An elevator starts with 5 passengers and stops at 8 different floors of the building. Find out the probability of all the 5 passengers alighting at different floors.

Optima Learn · Accepted Answer

Understanding An elevator starts with 5 passengers who can each alight at any of 8 different floors, and we need the probability that all 5 alight at different floors. Analyzing Each of the 5 passengers independently has 8 choices of floor, so the total number of possible outcomes is 8 32768. The nu

CAT 2018 Probability — Previous Year Question

CAT 2018

Quantitative

Probability

Medium

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